{"issuedAt":1783958400000,"expiresAt":1784563200000,"qrImageUrl":"https://lijiong.online/feedback/chanlian-current.jpg","joinUrl":"","title":"加入 RemoteDesktop 畅联群聊","notice":"二维码有效期至 2026 年 7 月 21 日，请保存后使用另一台设备扫描。"}